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Technical Data Sheet

CLEANING AND PASSIVATION OF NEW COOLING TOWERS

 AND OPEN RECIRCULATING WATER SYSTEMS


General

Prior to hydraulic testing or putting a new system into service, it must be cleaned to remove oil, grease, new pipe mill scale, silts and organic debris, and general rust accumulations.  It is then chemically passivated to inhibit corrosion of the various metallurgies involved. Since the system may also contain microbiological contamination, disinfection should be provided prior to allowing any aerosol emissions from any wet-type heat rejection device (WTHRD), eg cooling towers, evaporative condensers, etc.  Accordingly, the cleaning and disinfection procedures presented herein also incorporate the procedural concepts and disinfection guidelines for system start-up as endorsed by The Centers for Disease Control and Prevention (CDC) and as published in the "1987 Wisconsin Guidelines" entitled, Control of Legionella in Cooling Towers, Summary Guidelines

For more, contact CSC Technology for a complete white paper.

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Updated: Wednesday, February 05, 2003